private bool Move(Direction direction)
{
if (!EnsureInitialized())
{
return(false);
}
int position = _textView.Caret.Position.BufferPosition.Position;
ParseItem item = _tree.StyleSheet.ItemBeforePosition(position);
if (item == null)
{
return(false);
}
NumericalValue unit = item.FindType <NumericalValue>();
if (unit != null)
{
return(HandleUnits(direction, unit));
}
HexColorValue hex = item.FindType <HexColorValue>();
if (hex != null)
{
return(HandleHex(direction, hex));
}
return(false);
}
public IEnumerable <ISmartTagAction> GetSmartTagActions(ParseItem item, int position, ITrackingSpan itemTrackingSpan, ITextView view)
{
HexColorValue hex = (HexColorValue)item;
if (!item.IsValid)
{
yield break;
}
ColorModel model = ColorParser.TryParseColor(hex.Text, ColorParser.Options.None);
if (model != null)
{
if (ColorConverterSmartTagAction.GetNamedColor(model.Color) != null)
{
yield return(new ColorConverterSmartTagAction(itemTrackingSpan, model, ColorFormat.Name));
}
if (model.Format == ColorFormat.RgbHex6)
{
model.Format = ColorFormat.RgbHex3;
string hex3 = ColorFormatter.FormatColor(model, ColorFormat.RgbHex3);
if (hex3.Length == 4)
{
yield return(new ColorConverterSmartTagAction(itemTrackingSpan, model, ColorFormat.RgbHex3));
}
}
yield return(new ColorConverterSmartTagAction(itemTrackingSpan, model, ColorFormat.Rgb));
yield return(new ColorConverterSmartTagAction(itemTrackingSpan, model, ColorFormat.Hsl));
}
}
public void HexColorValue_ParseTest2()
{
string text = "#0;";
ITextProvider tp = new StringTextProvider(text);
TokenStream tokens = Helpers.MakeTokenStream(tp);
HexColorValue h = new HexColorValue();
Assert.IsTrue(h.Parse(new ItemFactory(tp, null), tp, tokens));
bool isNumber = h.TryGetNumberRange(out int numberStart, out int numberLength);
Assert.IsTrue(isNumber);
Assert.AreEqual(1, numberStart);
Assert.AreEqual(text.Length - 1, numberStart + numberLength);
int n = int.Parse(text.Substring(numberStart, numberLength), NumberStyles.HexNumber);
Assert.AreEqual(0, n);
}
private bool Move(Direction direction)
{
if (WebEditor.Host == null)
{
return(false);
}
var point = _textView.BufferGraph.MapDownToInsertionPoint(_textView.Caret.Position.BufferPosition, PointTrackingMode.Positive, ts => ts.ContentType.IsOfType(CssContentTypeDefinition.CssContentType));
if (point == null)
{
return(false);
}
var tree = CssEditorDocument.FromTextBuffer(point.Value.Snapshot.TextBuffer);
ParseItem item = tree.StyleSheet.ItemBeforePosition(point.Value.Position);
if (item == null)
{
return(false);
}
NumericalValue unit = item.FindType <NumericalValue>();
if (unit != null)
{
return(HandleUnits(direction, unit, point.Value.Snapshot));
}
HexColorValue hex = item.FindType <HexColorValue>();
if (hex != null)
{
return(HandleHex(direction, hex, point.Value.Snapshot));
}
return(false);
}
private static bool HandleHex(Direction direction, HexColorValue item, ITextSnapshot snapshot)
{
var model = ColorParser.TryParseColor(item.Text, ColorParser.Options.None);
if (model != null)
{
var span = new SnapshotSpan(snapshot, item.Start, item.Length);
if (direction == Direction.Down && model.HslLightness > 0)
{
model.Format = Editor.ColorFormat.RgbHex3;
UpdateSpan(span, Editor.ColorFormatter.FormatColor(model.Darken(), model.Format), "Darken color");
}
else if (direction == Direction.Up && model.HslLightness < 1)
{
model.Format = Editor.ColorFormat.RgbHex3;
UpdateSpan(span, Editor.ColorFormatter.FormatColor(model.Brighten(), model.Format), "Brighten color");
}
return(true);
}
return(false);
}
private static bool HandleHex(Direction direction, HexColorValue item, ITextSnapshot snapshot)
{
var model = ColorParser.TryParseColor(item.Text, ColorParser.Options.None);
if (model != null)
{
var span = new SnapshotSpan(snapshot, item.Start, item.Length);
if (direction == Direction.Down && model.HslLightness > 0)
{
model.Format = Editor.ColorFormat.RgbHex3;
UpdateSpan(span, Editor.ColorFormatter.FormatColor(model.Darken(), model.Format), "Darken color");
}
else if (direction == Direction.Up && model.HslLightness < 1)
{
model.Format = Editor.ColorFormat.RgbHex3;
UpdateSpan(span, Editor.ColorFormatter.FormatColor(model.Brighten(), model.Format), "Brighten color");
}
return true;
}
return false;
}